TM 5-3805-248-23-1
UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
0020 00
Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
LOCATION
ITEM TO
ITEM
MAN-
CHECK/
NOT FULLY MISSION
NO.
INTERVAL
HOURS
SERVICE
PROCEDURE
CAPABLE IF:
27
2000 Hours
Brakes -
c. Inspect the brake drums (7), linings
(Cont.) or Annually
Continued
(8) and cams (9) for wear or dam-
age.
d. If excessive wear on the brake
drums (7) or linings (8) exists, or
the brake cam (9) cannot be
adjusted, replace as necessary (WP
7
8
394-1542
9 (HIDDEN)
28
2000 Hours
Steering
Check oil level (WP 0176 00).
or Annually
Gear
NOTE
Oil level should reach bottom of the plug opening.
Hydraulic
a. Drain and refill hydraulic tank (WP
29
2000 Hours
or Annually
Tank
b. Clean filler strainer (WP 0210 00).
c. Inspect hydraulic hoses (WP 0211
d. Change filter elements (WP 0229
0020 00-9
